1130121011321 has 2 divisors, whose sum is σ = 1130121011322. Its totient is φ = 1130121011320.

The previous prime is 1130121011311. The next prime is 1130121011417. The reversal of 1130121011321 is 1231101210311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850570885696 + 279550125625 = 922264^2 + 528725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130121011321 - 2²⁶ = 1130053902457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130121011321.

It is not a weakly prime, because it can be changed into another prime (1130121011311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565060505660 + 565060505661.

It is an arithmetic number, because the mean of its divisors is an integer number (565060505661).

Almost surely, 2^{1130121011321} is an apocalyptic number.

It is an amenable number.

1130121011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130121011321 is an equidigital number, since it uses as much as digits as its factorization.

1130121011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1130121011321 its reverse (1231101210311), we get a palindrome (2361222221632).

The spelling of 1130121011321 in words is "one trillion, one hundred thirty billion, one hundred twenty-one million, eleven thousand, three hundred twenty-one".